Looking for a good profiler for .NET these days I stumbled across JetBrain's dotTrace. Previously I had worked with the CLR Profiler, which did its job quite well, but after installing dotTrace...well...suffice to say I'd never go back again :). Using dotTrace is just soo easy and you can pinpoint performance bottlenecks almost immediately. Also it doesn't cause major slowdowns of the profiled app (as CLR Profiled did) and it has a quite nice UI too. If you haven't tried it already, you can download ......
I'm sure you're all familiar with the GridView in asp.net 2.0. It's a great control, and coupled with the new (well, some time back they were... :)) data source controls it's big aid to rapid development. I've worked with it before, but I always used DataSets as data containers. Now, on a little project I'm working on, which uses DLinq, I resorted to custom objects. It worked rather good, until I got to the "save back to persistence" part. As you might know, the ObjectDataSource control supports ......